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Recently I notice that after browsing in a private window of Firefox and closing that window I can find a cache of that browsing in .cache/mozilla/Firefox/z39yd8n9.dev-ed… (læs mere)

Recently I notice that after browsing in a private window of Firefox and closing that window I can find a cache of that browsing in .cache/mozilla/Firefox/z39yd8n9.dev-edition-default/cashe2/entries folder. There are images that I saw only in private browsing. And this is not private, and other files.

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How does DNS over HTTPS modes define usage of hosts file?
Firefox: 69.0, OS: Ubuntu 18.04.3
I noticed that when I enable DNS over HTTPS ("network.trr.mode" set to 2 - us… (læs mere)

How does DNS over HTTPS modes define usage of hosts file?

Firefox: 69.0, OS: Ubuntu 18.04.3

I noticed that when I enable DNS over HTTPS ("network.trr.mode" set to 2 - use DoH, fall back to DNS), *and* hostname is defined in hosts file (/etc/hosts), Firefox usage of hosts file is inconsistent and hard to predict.

If IPs defined in hosts file and obtained via DNS request differ, corresponding site/resources behaves erratically, as if Firefox chooses at random, which page components' DNS address should be resolved via hosts, and which via DoH.

I had to disable DoH for that reason.

It is possible to set up DoH, so that it used hosts records, if present, and used DNS in all other cases?